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| Model | DR-120-48 |
| Input | |
| Voltage range | 88 ~ 132 VAC/176 ~ 264 VAC by switch 248 ~ 370 VDC |
| Frequency range | 47 ~ 63Hz |
| Efficiency (Typ.) | 84 % |
| AC Current (Typ.) | 2.6 A/115 VAC 1.6 A/230 VAC |
| Inrush Current (Typ.) | Cold Start 20 A/115 VAC 40 A/230 VAC |
| Leakage current | <3.5 mA / 240 VAC |
| Output | |
| DC Voltage | 48 V |
| Rated Current | 2.5 A |
| Current Range | 0 ~ 2.5 A |
| Rated power | 120 W |
| Ripple & noise (max.) Note.2 | 100mVp-p |
| Voltage ADJ. range | 48 ~ 53 V |
| Voltage Tolerance Note.3 | ±1.0% |
| Line Regulation | ±0.5% |
| Load regulation | ±1.0% |
| Setup, rise Time Note.5 | 500 ms, 70 ms/230 VAC 500 ms, 70 ms/115 VAC at full load |
| Hold up time (Typ.) | 36 ms/230 VAC 32 ms/115 VAC at full load |
| Protection | |
| Overload | 105 ~ 150% rated output power |
| Protection type : Constant current limiting, recovers automatically after fault condition is removed | |
| Over voltage | 58 ~ 65 V |
| Protection type : Shut down o/p voltage, re-power on to recover | |
| Environmental | |
| Working temp. | -10 ~ +60 °C (Refer to output load derating curve) |
| Working humidity | 20 ~ 90% RH non-condensing |
| Storage TEMP., humidity | -20 ~ +85 °C , 10 ~ 95% RH |
| TEMP. Coefficient | ±0.03%/°C (0 ~ 50°C) |
| Vibration | 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes |
| Safety & EMC (Note 4) | |
| Safety standards | UL508, UL60950-1, TUV EN60950-1 Approved |
| Withstand voltage | I/P-O/P:3KVAC I/P-FG:1.5KVAC O/P-FG:0.5KVAC |
| Isolation resistance | I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500 VDC |
| EMI Conduction & Radiation | Compliance to EN55011,EN55022 (CISPR22) Class B |
| Hsrmonic current | Compliance to EN61000-3-2,-3 |
| EMS immunity | Compliance to EN61000-4-2,3,4,5,6,8,11, ENV50204, EN55024, EN61000-6-2 (EN50082-2) Heavy industry level, criteria A |
| DC OK Relay Contact | |
| Contact Close | When the output voltage reaches the adjusted output voltage. |
| Contact Open | When the output voltage drop below 90% output voltage. |
| Contact Ratings (max.) | 30V/1A resistive load |
| Others | |
| MTBF | 136.8Khrs min. MIL-HDBK-217F (25°C) |
| Dimensions (W x H x D) | 65.5 x 125.2 x 100 mm |
| Packing | 0.79 Kg; 20 pcs/16.5 Kg/1.1 CUFT |
| NOTE | |
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| Terminal Pin. No Assignment (TB1) | Terminal Pin. No Assignment (TB2) | ||||||||||||||
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Output Derating |
Static Characteristics (24V) |
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